1 files changed, 19 insertions, 0 deletions
diff --git a/spec/ruby/core/kernel/shared/require.rb b/spec/ruby/core/kernel/shared/require.rb
index cf01b9dc52..666ca15e11 100644
--- a/spec/ruby/core/kernel/shared/require.rb
+++ b/spec/ruby/core/kernel/shared/require.rb
@@ -568,6 +568,25 @@ describe :kernel_require, shared: true do
 
       -> { @object.require("unicode_normalize") }.should raise_error(LoadError)
     end
+
+    ruby_version_is "3.0" do
+      it "does not load a file earlier on the $LOAD_PATH when other similar features were already loaded" do
+        Dir.chdir CODE_LOADING_DIR do
+          @object.send(@method, "../code/load_fixture").should be_true
+        end
+        ScratchPad.recorded.should == [:loaded]
+
+        $LOAD_PATH.unshift "#{CODE_LOADING_DIR}/b"
+        # This loads because the above load was not on the $LOAD_PATH
+        @object.send(@method, "load_fixture").should be_true
+        ScratchPad.recorded.should == [:loaded, :loaded]
+
+        $LOAD_PATH.unshift "#{CODE_LOADING_DIR}/c"
+        # This does not load because the above load was on the $LOAD_PATH
+        @object.send(@method, "load_fixture").should be_false
+        ScratchPad.recorded.should == [:loaded, :loaded]
+      end
+    end
   end
 
   describe "(shell expansion)" do